Light bar



FIG. 1 is a top front perspective view of a light bar;

FIG. 2 is a front elevation view thereof; the rear elevation view being a mirror image thereof;

FIG. 3 is a left elevation view thereof; the right elevation view being a mirror image thereof;

FIG. 4 is a top elevation view thereof;

FIG. 5 is a bottom elevation view thereof; and,

FIG. 6 is a detail top front perspective view thereof.

The broken dashed lines shown in the drawings illustrate portions of the light bar that form no part of the claimed design.

The cutaway symbols illustrated in broken break lines in the drawings indicate a symbolic break in the length of the design for the light bar indicating an indeterminate length. The appearance of any portion of the article between the break lines forms no part of the claimed design. 

CLAIM The ornamental design for a light bar, as shown and described. 